Fragile

A nurse who replaces Susan on the Mercy Falls night shift. She forms a bond with Maggie, a frail orphan, and becomes determined to uncover the upstairs ward's painful history. Her courage drives the investigation and efforts to evacuate the children from danger when the hospital collapses around them.

An orphan child suffering from severe cystic fibrosis. She warns of Charlotte's arrival and becomes a focal point for Amy’s mission to understand the ward’s curse. Maggie’s illness and eventual death heighten the emotional stakes and propel the investigation, while her presence lingers as a guiding memory.

The upstairs ward's ghost initially seen as the vengeful presence haunting the children. The backstory reveals Charlotte's true history as Mandy and the nurse's murderous obsession, creating a motive for the hauntings and a link to the ward's past abuse.

The young girl from 1959 depicted in the photograph with Charlotte, identified as Mandy. She suffered from osteogenesis imperfecta, requiring orthotic braces, and her story ties the ward's past trauma to the present haunting.

A night nurse whose departure to sick leave coincides with the ward's growing danger, and who dies in an accident. Her absence motivates Amy to take up the case and uncover the ward's secrets.

Operations manager overseeing Mercy Falls, whose authority is tested as the hospital spirals toward crisis. He is killed by Charlotte during a brutal confrontation.

A physician who helps Amy interpret the medical history behind the ward's haunting and works to uncover the truth about Mandy/Charlotte. He provides crucial medical context for the events and aids in the evacuation efforts.

Owner/administrator of Mercy Falls, representing the hospital's authority and decision-making during the crisis. Her actions influence how the hospital responds to the unfolding emergency.